Method: Parser::AST::Node#to_value

Defined in:
lib/synvert/core/node_ext.rb

#to_value ⇒ Object

Return the exact value of node. It supports :array, :begin, :erange, :false, :float, :irange, :int, :str, :sym and :true nodes.

Examples:

node # s(:array, s(:str, "str"), s(:sym, :str))
node.to_value # ['str', :str]

Returns:

  • (Object) —

    exact value.

Raises:



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# File 'lib/synvert/core/node_ext.rb', line 250

def to_value
  case type
  when :int, :float, :str, :sym
    children.last
  when :true
    true
  when :false
    false
  when :nil
    nil
  when :array
    children.map(&:to_value)
  when :irange
    (children.first.to_value..children.last.to_value)
  when :erange
    (children.first.to_value...children.last.to_value)
  when :begin
    children.first.to_value
  else
    self
  end
end